Monday, August 12, 2019

The Black Model for Interest Rate Derivatives Essay

The Black Model for Interest Rate Derivatives - Essay Example Over the last two and half decades, finance has experienced tremendous and exciting developments especially with reference to derivatives markets. One of the reasons explaining the idea of tremendous and exciting developments within financial sector is the fact that both hedger and speculators within financial markets find it attractive to trade derivate specifically assets rather than trading on the assets themselves (Gupta and Subrahmanyam. 2005). Development of derivatives is considered as one of the most successful upcoming within capital markets (Brigo and Mercurio 2001). Within derivatives, there are three main traders; hedger, speculators, and arbitrageurs. Application of derivatives within financial markets helps in eliminating or reducing risk associated with the fluctuations in the prices of assets. Overview and Development of Black Model Financial markets have experienced an increase in the interest-rate contingent claims that include amongst others caps, swaptions, bond o ptions, mortgage-backed securities, as well as captions. The main problem however that is currently experienced is the development of effective and efficient instruments for valuing such contingent claims. Different models have been developed and used in an attempt to find the best and most effective one. Nonetheless, there has been indifference amongst traders on the model effective and efficient enough to help in measuring, controlling, and supervision of interest-rate risks. Hull (234) identifies Black-Scholes Model as a major innovation is pricing of various stock options. During the early 1970s, Fischer Black, Myron Scholes, and Robert Merton developed a model that can be used effectively and efficiently in pricing stock options (Hull p234). In addition, Clewlow and Strickland (2000) confirm that Black Model has been frequently used in valuing bond options due to its effectiveness and efficiency. Black Model borrows extensively from the Black-Scholes Model (Black, 1976). Actual ly the former is an extension and modification of the latter. Black Model for pricing stock options assumes that the value of an interest rate, bond price, or other variables at a given time is future follows a lognormal distribution. One of the reasons that necessitated the extension and modification of the Black-Scholes Model to Black Model is the difficulty experienced in valuing interest rate derivatives as opposed to valuing foreign exchange derivative (Hull p508). The difficulty is experienced due to a number of reasons such as complications within the behavior of individual interest rate as compared to stock prices of exchange rates (Hull p508). In addition, there has been the need to develop a model that will help in evaluating the behavior of the entire derivate including the zero-coupon yield rate. Consequently, Black Model was developed, which derives most of its assumptions from the Black-Scholes-Merton differential equation that represents the model. For instance, the m odel assumes that there are no transactional costs of taxes involved in applying the model to value stock options (Black, 1976). What’s more, the model assumes that there are no dividends obtained during the derivatives’ life coupled with facts that arbitrate opportunities are termed as riskless. In this model, another important assumption is that the rate of risk-free interest is constant and equals

Sunday, August 11, 2019

WHAT ARE THE STRENGTHS AND WEAKNESS OF THE VIEW THAT WE ARE LIVING IN Essay

WHAT ARE THE STRENGTHS AND WEAKNESS OF THE VIEW THAT WE ARE LIVING IN A GLOBALISED WORLD - Essay Example nomies into an international economy through trade, capital flows, migration, spread of technology and many other factors contributing to it (Bhagwati, 2004). Globalisation is usually recognized as being caused by a combination of economic, socio-cultural, technological, political and biological factors. It can also refer to the dissemination of ideas, languages or popular culture between nations (Croucher, 2004). Living in a globalised world has its share of negative effects on the average citizen, and globalisation has been one of the most hotly-debated issues in international economics in the past years. One of the causes for this opposition to globalisation is the concern that globalisation has increased inequality and environmental degradation (Hopkins, 2004). Fears for inequality arise in situations in which companies take advantage of cheap labour force in backward countries and use employees for their own needs without taking care of their working conditions. Also, as a result of the industrial nature of factories and that are responsible for manufacturing goods, the environment suffers damages in its land, in bodies of water (including rivers, lakes, oceans, seas) and in the air as well (as poisonous materials are released to the air). Poorer countries suffer more disadvantages because of globalisation. As some countries try to save their national markets, they sometimes subsidise their main export, which is agricultural goods. This lowers the poor farmers crop prices in the poor countries compared to what it would have been if countries had not subsidised their goods. (Hurst, n.d) One other negative effect of globalisation in the economic field is the increase in child labour. The conditions in the poorer countries of the world along with the "enticements" offered by large corporations in them cause even children to go to work in order to help support their families. These children often work in sweatshops and in terrible conditions. The increases in

Saturday, August 10, 2019

Gastrointestinal Cancer Term Paper Example | Topics and Well Written Essays - 1500 words

Gastrointestinal Cancer - Term Paper Example Helicobacter pylori are infective organisms which have been linked with the gastric cancer. Colorectal cancer is associated with genetic mutations as well low fibre diets and diets which lack essential vitamins. Gastrointestinal Cancer Cancer is uncontrolled and abnormal growth of a tissue destroying the adjacent tissues also. Sometimes the cancer metastasize which means the spread of cancerous cells from one part of the body to other part of the body through blood or lymph fluid. These properties of cancer make it more dangerous than benign tumours because benign tumours do not attack the nearby tissue and thus do not destroy them and benign tumours do not metastasize. Cancer cells have self sufficiency in growth, self replicative, insensitive to antigrowth signals and avoid apoptosis. Gastrointestinal system is a complex system which breaks and digests the ingested food mechanically and with the help of enzymes. Cancer can occur in gastrointestinal system too like esophageal cancer , gastric cancer, liver cancer, gall bladder cancer, pancreatic cancer, colon cancer and anal cancer. Esophageal cancer is condition in which the cells of esophagus start reproducing abnormally in uncontrolled way which destroys the esophagus. The cancer in esophagus mostly occurs in epithelial cells which lines the surface of esophagus. There are two types of esophageal cancer: squamous cell carcinoma and adenocarcinoma. The squamous cell carcinoma mostly occurs in those populations which excessively consume alcohol, tobacco and hot tea. Adenocarcinoma is that cancer of esophagus which occurs in higher socioeconomic class, or in population with obesity and gastroesophageal reflux disease. Generally squamous cell carcinoma occurs due to the irritation in esophageal squamous epithelium. The risk factors for the development of squamous cell carcinoma are tobacco, alcohol, high starch and low fibres diet, achalasia and a few more. Excessive tobacco use is can cause esophageal squamous cell carcinoma. If a person smoke cigarette or use smokeless tobacco products the effect of tobacco causing squamous cell carcinoma remain the same. Chronic alcohol use is also cause of development of esophageal squamous cell carcinoma. The quitting of use of tobacco and alcohol decrease the risk of development of esophageal squamous cell carcinoma. Unbalance diet is also increase the risk of development of squamous cell carcinoma. Diet rich in starch and having low quantity of fibres aid in development of esophageal squamous cell carcinoma. Squamous cell carcinoma occurs in patient with previous achalasia. Chronic irritants of the esophagus, Plummer-vinson syndrome increase the risk of squamous cell carcinoma. Adenocarcinoma occurs in patients with gastroesophageal reflux disease and Barrette’s disease history. Barrette’s disease is the metaplasia of epithelial cells of esophagus. Metaplasia is the reversible change of cells which are replaced by another type of adult cells. In Barrette’s disease normal stratified squamous epithelium of distal esophagus is replaced by coloumnar epithelium containing goblet cells. The development of adenocarcinoma from Barrette’s esophagus is a long process which takes years to occur. The degree at which change in the cells occurs is responsible for development of

Friday, August 9, 2019

Comparitive politics Article Example | Topics and Well Written Essays - 750 words

Comparitive politics - Article Example Since North Korea has involved itself openly with the induction of nuclear weapons within its arsenal, the people living within the country are thought to be of evil nature and thus a sense of ethnic nationalism has come about with the passage of time as far as North Korea and North Koreans is concerned. Now the same could be avoided if the country faces these kinds of challenges in a head on manner and look to satisfy the world demands in a much more proactive manner than it is carrying out at the present. What this will do is to give a positive image to the world that North Korea is ready and geared up for the challenges ahead and there are not any ethnic nationalistic issues attached with the country in the long run. The challenges that globalization brings with it is that the localized flavor of the country or region is starting to get marred as more and more foreign outlets of expression, work and ethical values are initiating. What this is in essence doing is to pose a marked difference in the thinking mindsets of the people who are related with the globalization regimes as well as the ones who are being brought under the hold of the great globalization debate. China is one such example that has experienced the direct results of globalization since Chinese products have invaded the world markets by storm. They have targeted the South Asian countries in a very attacking manner and the result is that the Chinese authorities the reaping the rich dividends by going global rather than manufacturing for the local Chinese markets. This has opened up their revenue quarters and now the Chinese are thinking global more than ever before. (Kohler, 2003) They have nearly captured all the market domains wi thin South Asia through their strategic planning and it would not be wrong before they make their mark on the global front in a very attacking way. In the coming decades, globalization will shrink the world even further and there would be more opportunities to grow and explore what is on offer or sale for the different markets of the world. This is a fact that the new world order has brought with it and it is here to stay. Similarly, there has been a general perception that globalization means taking jobs away from a region. This is indeed true from a rational standpoint as when company shifts around 100 jobs to Indians, the same number of natives lose their jobs. The offshore movement of jobs has become an issue not only in travel but also in other industries. Two such nations which stand out in this scenario are India and the Philippines that appear to be the most popular locations for setting up call centers as these countries bid a lagoon of cultivated, scholarly English-speaking personnel who will do the same amount of work for much less money. References KOHLER, Horst. (2003). The Challenges of Globalization and the Role of the IMF. International Monetary Fund Word Count:

Human Resource Management Training Proposal Research Paper

Human Resource Management Training Proposal - Research Paper Example It can enable to address the employees’ requirements in keeping with the organizational goals and objectives. The proposed training program can facilitate to enhance the level of motivation of employees as well owing to the fact that they can better equip themselves to the expected level of performance from them after the execution of the training program. Overview of the Human Resource Management Process and Steps Involved Human Resource Management (HRM) is gaining its importance in the healthcare sector. Proper human resource management is a critical aspect which helps in providing high quality healthcare. Human resource planning is important for determining the staff support required by the healthcare to meet the service seekers’ needs. Human resource planning is the process of identifying current and future needs of human beings in an organization. The steps involved in the planning of human resource involve review of the business goals which deals with understandin g the needs and the future objective of the business. The second step is the scanning of both the internal and external environment to determine the trend of the employees, policies implemented along with evaluating the culture and activities within the healthcare company. The third step is gap analysis which facilitates to determine the future needs and explores the possible shortfalls. Subsequently, development of the plans considering the budgets and priorities based on need of the healthcare company would be executed. The last step is to evaluate the performance by measuring the achievement of the goals, evaluating the progress of the strategies implemented along with the reports. The steps of the proposed human resource planning are depicted through the diagram below: Source: (New Foundland Labrador, n.d.) The planning process will be effective when the recruitment process is smooth and effective. To make the process of hiring, retention well-organized and to ensure consistency in the process of recruitment along with selection various steps are to be followed to make the progression efficient. The first step is to identify the vacancy and to evaluate the need. The human resource management training need to ensure that there is a proper alignment of the skills of the new employees with the organizational requirements. The second step is job description which is important for the successful recruitment process. The job description helps in forming the questions for the interview along with the relevant checks which are to be developed. The information about the work, the purpose and the responsibility will be discussed to recruit the right person. The third step is to develop the recruitment plan which deals with the posting period, goals of the placement, along with placing advertisement through print and social media. The recruitment plan is basically done to attract good qualified candidates for the job purpose in the healthcare company. The fourth step involves selection of the search committee who will be responsible for the recruitment. The committee includes the hiring manager, job specialist and other members. The fifth step is to implement the recruitment plan and then sixth step is to review the applicants and shortlist the candidates according to the health care company’s available vacancy. The next step is the important part which is the interviewing process for the selection purpose. Before the interview is to

Thursday, August 8, 2019

Global Organizations and Nation States Essay Example | Topics and Well Written Essays - 1000 words

Global Organizations and Nation States - Essay Example This essay explores the main part of the neoliberal economic ideology, which forces these countries to follow free-market policies, reduce government intervention, privatization and decreasing the size of the public sector, liberalization, reducing trade barriers, elimination of subsidies, reduced protection of the domestic industries, currency devaluation, and others. Despite the fact that these policies have appeared to be working for many developed countries, evidence shows that it has been disastrous for the poor and third world countries, which actually seek a loan from IMF and World Bank. Critics of these international organizations believe that these organizations are actually Washington controlled and headed by the developed countries of the world. Important here to note is that the United States and other European countries ran out of their resources decades ago. Furthermore, their domestic markets are past the point of saturation and low population growth rates mean that th eir dream for aggressive growth cannot be fulfilled. The only possible way in which they could sustain or even continue their growth is by trying to exploit the resources of the third world countries, which are rich in natural resources but do not have the tools and the expertise to make use of them. International organizations such as International Monetary Fund, World Bank, and World Trade Organization was the clear answer. These organizations, headed and controlled by a few developed countries, allow them to force the third world and underdeveloped countries of the world to open their markets, deprotect their industries, and reduce the government intervention. Important here to note is that in case of a majority of the African and South Asian countries, these policies have never worked.

Wednesday, August 7, 2019

Gender Speech Community Essay Example for Free

Gender Speech Community Essay Abstract This research paper will focus on the human language. Human language is extremely significant for all peoples. My main topic for this paper is how we use and develop language, the production of language, language acquisition and the importance of the critical period. Chomsky, Skinner, and Whorf all had various theories on language but all had one major thing in common, which was the significance of language. Regardless of when or how language is developed; it is essential to have living in environment where every one using language to talk, learn and receive knowledge. The Ways in Which People Use and Develop Language and The Effects it May Have on a Person If a person does not develop oral language this will affect the way in which people communicate with other people. From birth throughout their lives time people are taught the uses of language and create a way of communication. Language is the main component for all humans. â€Å"The use of language-the communication of information through symbols arranged according to systematic rules-is a central cognitive ability, one that is indispensable for us to communicate with one another† (Stapel Semin, 2007; Hoff; 2008; Resiberg). Language is essential to how we communicate, think, and understand the world. Without language our ability to convey information, obtain knowledge and cooperate with others would be hindered. This paper looks at Chomsky, Benjamin Lee Whorf and B.J. Skinners theories on language acquisition and why language it is so important to have and what could happen to a person if he/she were isolated from society. In order to comprehend how language is created and relates to thought, we first need to know that the basic structure of language is grammar. Grammar is a set of rules that clarifies how our thoughts can be articulated. There are three main elements that go with grammar; they are phonology, syntax, and semantics. Phonology is the study of the smallest unit of speech called phonemes. Phonemes are the way we use sounds to form words and produce meaning. Syntax deals with how words and phrases can be united to form sentences and semantic rules allow us to express meanings to words. Feldman, Robert S. (2011). Although many people may have a hard time explaining the meanings of these words, we all subconsciously use grammar every day in a linguistic way! Language starts during infancy from three months through one-year- old. Children begin to make insignificant speech like sounds that is called babble. In the textbook Feldman, Robert S. (2011) stated that while babbling, they produce, at one time or another, any of the sounds found in all languages, not just the one to which are exposed. Even deaf children demonstrate their own form of babbling, who are incapable to hear, yet who are exposed to sign language from birth babble in their own way. In the same textbook I stated before Feldman, Robert S. (2011); indicates that babies’ babbling imitates the precise language being spoken in the infant’s environment which focuses more on the pitch and tone of the person talking to the child. As the baby gets older, he or she starts to specialize in the language that they were exposed to from birth. To support what I am saying I read an article called Language and Brain Development â€Å"Jump Start† copyright United Feature Syndicate stated that â€Å"a child is introduced to language virtually at the moment of birth. Children do not require explicit language instruction, but they do need exposure to language in order to develop normally. Children who do not receive linguistic input during their formative years do not achieve native like grammatical competence.† There were three theorists that had their own speculation on language acquisition but intertwined with my thesis. Let us begin with Noam Chomsky. Chomsky was a very well- known linguist. He believes that human brains have a language acquisition device that we are inborn with. All children are born with a universal grammar that makes them amenable to the common features of language because of this hard-wired background in grammar; children easily pick up a language when they are exposed to its particular grammar. Http://www.brighthubeducation.com/language-learning-tips/71728-noam-chomsky-language-acquisition-theories/. Basically Chomsky believed that all children develop language around the same age and all develop language skills rapidly and naturally. The next theorist was Benjamin Lee Whorf. Whorf’s theory is that children will learn language skills through interaction with others rather than obtain the knowledge involuntarily. He was recognized for his study that focused on a person’s thinking skills, how their ideas and expressions all depend on language. He anticipated a theory called â€Å"linguistic relativity.† This theory determines the way people think. In other words â€Å"â€Å"we think in terms of words or other symbols, and they are required as a precondition for a human to form an idea—or, at least, to express the idea to others. Although thinking involves mental manipulation of reality, it is heavily dependent upon words or other symbols.† Bergman. Jerry (Benjamin Lee Whorf: An Early Supporter of Creationism). My last theorist was B.F. Skinner. Skinner thought language is attained through standards of conditioning, association, imitation and, reinforcement. The difference from Chomsky and Skinner one believed he or she is born with language where Skinner believed that people have to be taught how to speak by some one’s language acquisition. All three theorists have their own assumptions on language acquisition. Chomsky believes we are born with the skills for language. Skinner believes children is learn through imitation that focuses on behavior and Whorf thought language was developed by interaction with peers rather than being born with it. The one major factor that they all share is the importance of language from birth. If children are deprived of language from the start they will suffer drastically, which proves my statement in the beginning; which was, children who are isolated from language and communication from the early ages will deal with major effects when they are older. A major period that some theorists believe is crucial for language development is called the critical period, which can cause many effects in learning language. From the article â€Å"Introduction Brain and Language† explained what the critical-age hypothesis was. This theory believes language is organically based and the capacity to learn your inhabitant language develops from birth to middle childhood. Subsequent to this period, the attainment of grammar is complicated for most people and never fully grasped. Children who are not exposed of language during this critical period will have a difficult time overcoming this deficit. This concept can be proved to be true in humans and other species. 22. Introduction Brain and Language gave an example of ducklings. For instance, from nine to twenty-one months after hatching, ducks will follow the first moving object they see regardless if it is a duck or not. This behavior did not come subconsciously but from an â€Å"external teaching, or intensive practice.† Other examples of the critical period that is strongly associated to language learning is the critical period in certain songbirds, e.g., zebra finches or white crowned sparrows (Marler, 1970). For children there have been cases that support this theory. For instance, there was a young boy who was isolated from society also known as the â€Å"wild† child. In the film produced by Francois Truffaut â€Å"The Wild Child† was based on a young boy named Victor. It was determined that he was left in forest and survived shockingly. (Language and Brain Development 23.) In the YouTube documentary we learned that Victor was not capable to speak or recognize language. He was brought to Paris where he was first put into a deaf school, but after Francois Truffaut observes Victor he believes he can hear and can be educated. After a while, Victor begins to gain some kind of language from being in society. (http://www.youtube.com/watch?v=_dA2W0SwIwY). Another perfect example that supports the conjecture of the critical period is a girl named Genie. Genie as well as Victor was a wild child. Genie was abused and isolated from all society from eighteen months to about fourteen years of age. Genie was restricted to a small room under terrible conditions and received minimal to none of human contact. Genie was not able to talk or knew any language at all. (Language and Brain Development 23) said â€Å"this linguistic inability could simply be caused by the fact that these children received no linguistic input, showing that language acquisition, though an innate, neurologically based ability, must be triggered by input from the environment.† Like Victor, Genie learned some kind of language but lacked â€Å"grammatical structure.† Possessing language is essential to have living in a society. Without language you would not be able to communicate, give, and receive knowledge. For instance Genie; in (Introduction Brain and Language) said â€Å"The cases of Genie and other isolated children, as well as deaf late learners of ASL, show that children cannot fully acquire language unless they are exposed to it within the critical period—a biologically determined window of opportunity during which time the brain is prepared to develop language.† People use and develop language in their lives and it is important to have developed it in an early age. References Feldman, Robert S. (2011). Essentials of Understanding Psychology â€Å"Jump Start† copyright . United Feature Syndicate. Reprinted with permission. Introduction Brain and Language http://suite101.com/article/how-we-learn-language-a158847 Aitchinson, Jean (1976). The Articulate Mammal: An Introduction to Psycholinguistics. London: Hutchinson Co. http://www.healthofchildren.com/L/Language-Development.html http://www.icr.org/article/6391/ http://www.youtube.com/watch?v=_dA2W0SwIwY